diff --git a/.env.example b/.env.example
index aa48810..5734690 100644
--- a/.env.example
+++ b/.env.example
@@ -1,5 +1,6 @@
 NAME=Krll
 HOST=https://krll.me
+CONTACT=mailto:example@gmail.com
 
 POSTGRES_HOST=db:5432
 POSTGRES_DATABASE=postgres
diff --git a/.gitignore b/.gitignore
index 85e47f7..b307255 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,4 +6,6 @@ __pycache__/
 
 docker-compose.yml
 
-postgres/
\ No newline at end of file
+postgres/
+
+rule.html
\ No newline at end of file
diff --git a/README.md b/README.md
index ab8240b..c15f9ac 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,22 @@
 # Krll
-Krll, a privacy-friendly URL shortener
+Krll, a privacy-friendly open source URL shortener
 
 https://krll.me
 
-## Dev
-Copy `.env.example` to `.env` and edit it
-```
+## Run
+1. Copy `.env.example` to `.env` and edit it
+- NAME: Krll server's name(ex: Krll)
+- HOST: Krll server's host(ex: https://krll.me)
+- CONTACT: Server operator's contact info
+- POSTGRES_...: PostgreSQL setting(If you'll run postgresql with docker compose, you should edit just 'POSTGRES_PASSWORD', if not, you should edit 'POSTGRES_HOST' to your postgresql's host.)
+
+2. RUN
+```bash
+# with docker compose
+cp docker-compose.example.yml docker-compose.yml
+docker compose up -d
+
+# without docker compose
 python -m venv venv
 source ./venv/bin/activate/
 pip install -r requirements.txt
diff --git a/main.py b/main.py
index 9732edf..5d43557 100644
--- a/main.py
+++ b/main.py
@@ -7,11 +7,17 @@ from fastapi.templating import Jinja2Templates
 from src.database import engine
 from src import models
 from src.routes.url import url_route
+from src.env import NAME, HOST, CONTACT
 
-from src.env import NAME, HOST
+import os
 
 
-DEFAULT_CONTEXT = { "name": NAME, "host": HOST }
+# server's settings
+DEFAULT_CONTEXT = { "name": NAME, "host": HOST, "contact": CONTACT }
+
+# server's rule page
+rule_f = open(os.path.join(os.path.dirname(os.path.abspath(__file__)), "rule.html"))
+RULE = "\n".join(rule_f.readlines())
 
 
 models.Base.metadata.create_all(bind=engine)
@@ -44,6 +50,15 @@ def index(request: Request):
     )
 
 
+@app.get("/rule", response_class=HTMLResponse)
+def rule(request: Request):
+    return templates.TemplateResponse(
+        request=request,
+        name="rule_frame.html",
+        context=DEFAULT_CONTEXT | { "rule": RULE }
+    )
+
+
 @app.get("/about", response_class=HTMLResponse)
 def about(request: Request):
     return templates.TemplateResponse(
diff --git a/rule.example.html b/rule.example.html
new file mode 100644
index 0000000..2595936
--- /dev/null
+++ b/rule.example.html
@@ -0,0 +1,5 @@
+<h1>Rule</h1>
+<ul>
+    <li>Do not use Krll for spam.</li>
+    <li>Be legal.</li>
+</ul>
\ No newline at end of file
diff --git a/src/env.py b/src/env.py
index d88eb34..c79b859 100644
--- a/src/env.py
+++ b/src/env.py
@@ -6,6 +6,7 @@ load_dotenv()
 
 NAME = os.environ.get("NAME")
 HOST = os.environ.get("HOST")
+CONTACT = os.environ.get("CONTACT")
 
 POSTGRES_DATABASE = os.environ.get("POSTGRES_DATABASE")
 POSTGRES_USER = os.environ.get("POSTGRES_USER")
diff --git a/static/about/style.css b/static/about/style.css
index 9f768c6..950001c 100644
--- a/static/about/style.css
+++ b/static/about/style.css
@@ -1,5 +1,7 @@
 main {
     align-items: center;
+    display: flex;
+    flex-direction:column;
 }
 
 section {
@@ -9,4 +11,5 @@ section {
 
 a {
     text-decoration: none;
+    color: var(--link-color);
 }
\ No newline at end of file
diff --git a/static/images/logo.png b/static/images/logo.png
new file mode 100644
index 0000000..81591e0
Binary files /dev/null and b/static/images/logo.png differ
diff --git a/static/dQw4w9WgXcQ.js b/static/index/dQw4w9WgXcQ.js
similarity index 100%
rename from static/dQw4w9WgXcQ.js
rename to static/index/dQw4w9WgXcQ.js
diff --git a/static/script.js b/static/index/script.js
similarity index 100%
rename from static/script.js
rename to static/index/script.js
diff --git a/static/style.css b/static/index/style.css
similarity index 94%
rename from static/style.css
rename to static/index/style.css
index 440f791..216f86b 100644
--- a/static/style.css
+++ b/static/index/style.css
@@ -1,5 +1,8 @@
 main {
     align-items: center;
+    padding-top: 100px;
+    display: flex;
+    flex-direction:column;
 }
 
 .input-container {
diff --git a/static/menu.js b/static/menu.js
new file mode 100644
index 0000000..34f34b0
--- /dev/null
+++ b/static/menu.js
@@ -0,0 +1,14 @@
+const menu_btn = document.getElementById("menu-btn");
+const menu = document.getElementById("menu");
+
+menu_btn.onclick = () => {
+    menu.classList.toggle("show");
+}
+
+window.onclick = e => {
+    if (!e.target.matches(".menu-btn")) {
+        if (menu.classList.contains("show")) {
+            menu.classList.remove("show");
+        }
+    }
+}
\ No newline at end of file
diff --git a/static/root.css b/static/root.css
index cf6722f..936ac1e 100644
--- a/static/root.css
+++ b/static/root.css
@@ -2,6 +2,7 @@
 
 * {
     font-family: 'Poppins', sans-serif;
+    box-sizing: border-box;
 }
 
 :root {
@@ -13,7 +14,7 @@
     --text-color: light-dark(black, white);
     --footer-text-color: light-dark(rgb(90, 90, 90), rgb(173, 173, 173));
     --button-text-color: white;
-    --link-color: light-dark(#2e2e2e, #7a7a7a);
+    --link-color: light-dark(#797979, #9e9e9e);
 
     --border-color: light-dark(lightgray, gray);
     --border-highlight-color: darkgray;
@@ -28,14 +29,68 @@ body {
     flex-direction: column;
     margin: 0;
     background-color: var(--background-color);
-    padding-top: 100px;
     box-sizing: border-box;
 }
 
-main {
+header ul {
+    padding: 10px;
+    margin: 0;
     display: flex;
-    flex-direction:column;
-    flex: 1 0 auto;
+    align-items: center;
+}
+
+header ul * {
+    margin: 0 5px;
+}
+
+header img {
+    width: 40px;
+    height: 40px;
+    margin-top: 5px;
+}
+
+header button {
+    background: none;
+    border: none;
+    cursor: pointer;
+}
+
+.menu {
+    display: none;
+    flex-direction: column;
+    font-size: 17px;
+    background-color: var(--input-background-color);
+    position: absolute;
+    margin-top: 5px;
+    margin-left: 5px;
+    border-radius: 5px;
+    width: 200px;
+}
+
+.show {
+    display: flex;
+}
+
+.menu a {
+    text-decoration: none;
+    color: var(--text-color);
+    width: 100%;
+    padding: 20px;
+}
+
+.menu a:hover {
+    background-color: rgba(0, 0, 0, 0.3);
+}
+
+/* @media screen and (max-width: 1000px) {
+    .menu {
+        width: 100vw;
+        height: 100%;
+    }
+} */
+
+main {
+    height: 100%;
 }
 
 footer {
diff --git a/static/rule/style.css b/static/rule/style.css
new file mode 100644
index 0000000..8dccca1
--- /dev/null
+++ b/static/rule/style.css
@@ -0,0 +1,15 @@
+main {
+    align-items: center;
+    display: flex;
+    flex-direction: column;
+}
+
+section {
+    width: 90%;
+    max-width: 600px;
+}
+
+a {
+    text-decoration: none;
+    color: var(--link-color);
+}
\ No newline at end of file
diff --git a/templates/about.html b/templates/about.html
index 654a7d6..44bab47 100644
--- a/templates/about.html
+++ b/templates/about.html
@@ -10,26 +10,16 @@
 <main>
     <section>
         <h2>About Krll</h2>
-        <p>Krll은 개인정보 수집 없이 URL을 단축하는 서비스입니다. 방해꾼 없이 빠르게 URL을 단축하고 공유하세요.</p>
-        <p>repository: <a href="https://git.worldc.one/sunwoo1524/krll">https://git.worldc.one/sunwoo1524/krll</a></p>
+        <p>Krll은 개인정보 수집이 없는 오픈 소스 링크 단축 서비스입니다.</p>
 
-        <h2>특징</h2>
-        <ul>
-            <li>개인정보 수집과 광고가 없습니다.</li>
-            <li>단축 시 QR 코드가 함께 생성되어 다른 디바이스로 빠르게 공유할 수 있습니다.</li>
-            <li>크롬, 파이어폭스 확장을 설치하여 웹사이트 내의 하이퍼링크를 우클릭 후 메뉴 선택 만으로 빠르게 단축할 수 있습니다.</li>
-        </ul>
+        <h3>기여하기</h3>
+        <p>Krll은 MIT 라이센스가 적용되어 누구나 코드를 사용하고 이 프로젝트에 기여할 수 있습니다. 하지만 한 가지 부탁 드릴 것이 있습니다. <a href="https://nogithub.codeberg.page/">GitHub에 Krll의 코드를 업로드하지 말아주세요.</a></p>
+        <p><a href="https://git.worldc.one/sunwoo1524/krll">자체 호스팅 중인 Forgejo</a>에서 기여할 수 있습니다.</p>
 
-        <h2>브라우저 확장</h2>
+        <h3>브라우저 확장</h3>
+        <p>크롬, 파이어폭스 확장을 설치하여 웹사이트 내의 하이퍼링크를 우클릭 후 메뉴 선택 만으로 빠르게 단축할 수 있습니다.</p>
         <p><a href="https://github.com/sunwoo1524/krll-chrome-extension">Chrome(스토어에 올라와있지 않아 직접 압축 파일로 다운로드하고 설치해야합니다.)</a></p>
         <p><a href="https://addons.mozilla.org/ko/firefox/addon/krll-url-shortener/">Firefox</a></p>
-
-        <h2>규칙</h2>
-        <p>이것들을 막을 방법은 없지만 안정적인 서비스 운영을 위해서 따라주세요.</p>
-        <ul>
-            <li>대한민국 법에 저촉되는 링크를 단축하지 마세요.</li>
-            <li>스팸을 위해서 사용하지 마세요.</li>
-        </ul>
     </section>
 </main>
 {% endblock %}
diff --git a/templates/index.html b/templates/index.html
index 03de80d..de8246f 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -3,7 +3,7 @@
 
 {% block head %}
 {{ super() }}
-<link rel="stylesheet" href="{{ url_for('static', path='/style.css') }}">
+<link rel="stylesheet" href="{{ url_for('static', path='/index/style.css') }}">
 {% endblock %}
 
 {% block content %}
@@ -25,5 +25,5 @@
     const host = "{{ host }}";
 </script>
 
-<script src="{{ url_for('static', path='/script.js') }}"></script>
+<script src="{{ url_for('static', path='/index/script.js') }}"></script>
 {% endblock %}
diff --git a/templates/layout.html b/templates/layout.html
index 27b0459..2462b0b 100644
--- a/templates/layout.html
+++ b/templates/layout.html
@@ -7,14 +7,32 @@
     <title>{% block title %}{% endblock %}</title>
     <link rel="icon" href="{{ url_for('static', path='/favicon.ico') }}">
     <link rel="stylesheet" href="{{ url_for('static', path='/root.css') }}">
+
+    <!-- Import Google Fonts Icons -->
+    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@24,400,1,0" />
+
     {% endblock %}
 </head>
 <body>
+    <header>
+        <ul>
+            <button class="menu-btn" id="menu-btn"><span class="menu-btn material-symbols-outlined">menu</span></button>
+            <a href="/"><img src="{{ url_for('static', path='/images/logo.png') }}" alt="Krll Logo"></a>
+        </ul>
+
+        <div class="menu" id="menu">
+            <a href="/">Home</a>
+            <a href="/about">About</a>
+            <a href="https://git.worldc.one/sunwoo1524/krll">Git Repository</a>
+        </div>
+    </header>
+
     {% block content %}{% endblock %}
 
     <footer>
-        <p>스팸이나 불법적인 용도로 사용하지 말아주세요.</p>
-        <p><a href="/about">About {{ name }}</a> · <a href="mailto:maengkkong1524@naver.com">Contact</a></p>
+        <p><a href="/rule">Rule</a> · <a href="/about">About Krll</a> · <a href="{{ contact }}">Contact</a> · <a href="https://git.worldc.one/sunwoo1524/krll">Git Repository</a></p>
     </footer>
+
+    <script src="{{ url_for('static', path='/menu.js') }}"></script>
 </body>
 </html>
\ No newline at end of file
diff --git a/templates/rule_frame.html b/templates/rule_frame.html
new file mode 100644
index 0000000..69aaaeb
--- /dev/null
+++ b/templates/rule_frame.html
@@ -0,0 +1,15 @@
+{% extends "layout.html" %}
+{% block title %}About Krll{% endblock %}
+
+{% block head %}
+{{ super() }}
+<link rel="stylesheet" href="{{ url_for('static', path='/rule/style.css') }}">
+{% endblock %}
+
+{% block content %}
+<main>
+    <section>
+        {{ rule|safe }}
+    </section>
+</main>
+{% endblock %}